Sharp shotting pain on too of left side of head, pressure around temples, fatigue, slightly tender neck no fever. 10 constant days of pressure in head?

New headache: Headaches can be a concerning symptom and can have many causes. Some are deserving of emergent treatment. Warning signs are chronic headaches that suddenly change in quality or intensity, multiple headaches a week, new onset headaches that affect one's ability to function, associated vomiting, associated dizziness/double vision/neck ache/fever/weakness, or the need to take daily pain medication.